Finding the Fourth Proportional to 215,736.18, 297,649.95 and 125,074.06
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Solution
The fourth proportional to 215,736.18, 297,649.95 and 125,074.06 is: 172,563.94
Step by Step Solution
- Step 1: Write the proportion equation
215,736.18 : 297,649.95 = 125,074.06 : x - Step 2: Convert to fraction form
215,736.18/297,649.95 = 125,074.06/x - Step 3: Cross multiply
215,736.18x = 297,649.95 × 125,074.06 - Step 4: Simplify right side
215,736.18x = 37,228,286,217.05 - Step 5: Solve for x
x = 37,228,286,217.05/215,736.18 - Step 6: Final answer
x = 172,563.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.